Search Patents
  • High performance battery
    Patent number: 6444364
    Abstract: A battery, such as an alkaline battery, that can provide a high energy output at a high rate and that has a relatively high ratio of manganese dioxide to cathode volume is disclosed. The battery can provide high energy output at a high rate when the battery is intermittently subjected to a high energy load.
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: September 3, 2002
    Assignee: The Gillette Company
    Inventors: Peter Harris, David Adamson, Douglas Woodnorth, Barbara Brys, Martin Howard
  • LITHIUM SECONDARY BATTERY
    Publication number: 20010008731
    Abstract: A lithium secondary battery according to the present invention comprises:
    Type: Application
    Filed: December 24, 1998
    Publication date: July 19, 2001
    Inventors: TAKESHI MAEDA, HIDEYUKI INOMATA, NAOYA NAKANISHI, IKUO YONEZU, KOJI NISHIO
  • High-Power Battery
    Publication number: 20090042101
    Abstract: A method of forming battery electrodes with high specific surface and thin layers of active material is disclosed. The method enables low series resistance and high battery power.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 12, 2009
    Inventors: Donald L. McGervey, Paul T. Szozdowski, Gerhard E. Welsch
  • CATHODE ACTIVE MATERIALS FOR LITHIUM SECONDARY BATTERY AND PREPARATION METHOD THEREOF
    Publication number: 20140057175
    Abstract: Provided is a cathode active material for a lithium secondary battery and a method for preparing the same. The cathode active material for a lithium secondary battery allows a lithium secondary battery to realize high capacity and to maintain maximum capacity even at high voltage, prevents a drop in capacity during repeated charge/discharge cycles, and improves the lifespan of a lithium secondary battery.
    Type: Application
    Filed: January 15, 2013
    Publication date: February 27, 2014
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventor: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
  • Battery comprising manganese dioxide having a high power coefficient
    Patent number: 6509117
    Abstract: A battery, a primary alkaline battery, has a cathode including manganese dioxide, carbon, and a binder. The manganese dioxide is selected to have a high power coefficient to provide the battery capable of high current discharge.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: January 21, 2003
    Assignee: The Gillette Company
    Inventors: William Bowden, Klaus Brandt, James J. Cervera, Hyoun Sook Choe, Rimma A. Sirotina, Joseph Sunstrom
  • ELECTROLYTIC MANGANESE DIOXIDE FOR LITHIUM PRIMARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM PRIMARY BATTERY USING SAME
    Publication number: 20100239911
    Abstract: Electrolytic manganese dioxide for lithium primary batteries has a sodium content of 0.05 to 0.2% by mass, and a pH of 5 to 7 as measured according to JIS-K-1467. Using this electrolytic manganese dioxide as a positive electrode active material for lithium primary batteries enables the batteries to be excellent in both initial discharge characteristics and long-term discharge characteristics.
    Type: Application
    Filed: July 6, 2009
    Publication date: September 23, 2010
    Inventors: Shinichiro Tahara, Yasuhiro Suzuki, Toshiyuki Shimizu
  • POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20140162128
    Abstract: A positive active material for a rechargeable lithium battery is disclosed. The positive active material includes a lithium manganese oxide-based solid solution having a specific surface area of about 3 m2/g to about 12 m2/g and a crystallite diameter of about 40 nm to about 120 nm. In addition, a positive electrode for rechargeable lithium battery and rechargeable lithium battery including a positive active material is also disclosed.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 12, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Masatsugu NAKANO, Yuki TAKEI
  • Secondary battery positive electrode and secondary battery using the same
    Publication number: 20030082453
    Abstract: In a secondary battery using an Li-containing oxide for a positive electrode, a nitride such as TiN or ZrN or an oxide such as MoO3, TiO, Ti2O3, NbO, or RuO2 is employed as an electroconductive giving agent. Thereby a secondary battery that is excellent in battery performance, especially excellent in capacity retaining performance and charge and discharge cycle performance at a high temperature, and more specifically, a high-voltage secondary battery the energy density of which is high can be obtained.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 1, 2003
    Inventors: Tatsuji Numata, Takehiro Noguchi
  • Battery cell and batteries including same
    Publication number: 20040072068
    Abstract: A battery unit cell with improved conductive sealing by shielding the positive tablet electrode with a conductive polymeric sheet such as a thermo-plastic rubber sheet dispersed with acetylene black. This improved sealing alleviates the adverse loss of moisture from the battery unit cell and enhances the shelf- or storage-life of batteries with cells with such improved sealing means or methods.
    Type: Application
    Filed: October 11, 2002
    Publication date: April 15, 2004
    Inventors: Tse Wan Lu, Chung Yuen Law, Yik Pang Chak
  • Fine powders for use in primary and secondary batteries
    Publication number: 20020168570
    Abstract: Fine battery powders and methods for producing fine battery powders. The powders have a well-controlled microstructure and morphology and preferably have a small average particle size. The method includes forming the particles from an aerosol of powder precursors. The invention also includes batteries formed from the powders.
    Type: Application
    Filed: August 10, 2001
    Publication date: November 14, 2002
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Quint H. Powell
  • NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    Publication number: 20120231339
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery including lithium silicide having a I41-a crystalline phase structure, a method of manufacturing the same, and a rechargeable lithium battery including the same.
    Type: Application
    Filed: February 9, 2012
    Publication date: September 13, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sung Soo Park, Yong-Sun Won, Jae-Hak Lee
  • ACTIVE MATERIALS FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY
    Publication number: 20090081558
    Abstract: There is disclosed an active material for a non-aqueous electrolyte battery includes titanium-containing oxide having a crystal structure belonging to P4332 space group.
    Type: Application
    Filed: July 21, 2008
    Publication date: March 26, 2009
    Inventors: Hiroki Inagaki, Keigo Hoshina, Norio Takami
  • Cathode materials for primary batteries
    Publication number: 20030215385
    Abstract: The cathode of a primary alkaline battery is composed of electrode grade manganese dioxide containing Zr.
    Type: Application
    Filed: April 22, 2003
    Publication date: November 20, 2003
    Inventors: Frank H. Feddrix, Robert M. Estanek, Scott W. Donne
  • POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    Publication number: 20110003204
    Abstract: Provided is a positive electrode for a lithium secondary battery including a positive active material and a conductive agent comprising a plurality of plate-structured carbon particles.
    Type: Application
    Filed: September 14, 2010
    Publication date: January 6, 2011
    Inventors: Won-Il Jung, Yong-Chul Park, Geun-Bae Kim, Jun-Won Suh
  • Battery active materials and methods for synthesis
    Publication number: 20040262571
    Abstract: Active materials for rechargeable batteries have a general formula
    Type: Application
    Filed: May 17, 2004
    Publication date: December 30, 2004
    Inventors: Jeremy Barker, M. Yazid Saidi, Jeffrey Swoyer
  • Lithium secondary battery and battery device comprising same
    Publication number: 20030190499
    Abstract: A lithium secondary battery comprises a negative electrode capable of intercalating/deintercalating lithium ion, a positive electrode made of a lithium-containing metal oxide as an active positive material, and a nonaqueous electrolyte, and a polyvinylidene fluoride resin is disposed between said negative electrode and positive electrode so that the battery voltage doesn't rise beyond a predetermined value even when said battery is overcharged.
    Type: Application
    Filed: December 13, 2000
    Publication date: October 9, 2003
    Inventors: Hiroshi Watanabe, Shiori Nakamizo, Satoshi Narukawa
  • ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    Publication number: 20120052392
    Abstract: An active material for a non-aqueous electrolyte secondary battery capable of increasing an action potential after the operation of a charge/discharge cycle in a non-aqueous electrolyte secondary battery. The active material for a non-aqueous electrolyte secondary battery includes lithium transition metal composite oxide particles to the surfaces of which boride particles are sintered.
    Type: Application
    Filed: August 24, 2011
    Publication date: March 1, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Masanobu Takeuchi, Manabu Takijiri, Yoshinori Kida
  • Sodium ion batteries
    Publication number: 20020192553
    Abstract: Sodium ion batteries are based on sodium based active materials selected among compounds of the general formula:
    Type: Application
    Filed: April 4, 2002
    Publication date: December 19, 2002
    Inventors: Jeremy Barker, M. Yazid Saidi, Jeffrey L. Swoyer
  • ACTIVE MATERIAL FOR BATTERY, MANUFACTURING METHOD OF THE SAME, NON-AQUEOUS ELECTROLYTIC BATTERY AND BATTERY PACK
    Publication number: 20090042095
    Abstract: An active material for a battery includes a mixed phase includes a lithium titanium composite oxide phase and a nonstoichiometric titanium oxide phase. This active material is excellent in lithium absorption/desorption performance, exhibiting high electric potentials in lithium absorption/desorption and high conductivity.
    Type: Application
    Filed: March 14, 2008
    Publication date: February 12, 2009
    Inventors: Hiroki Inagaki, Norio Takami
  • Thin lithium battery with slurry cathode
    Publication number: 20020041999
    Abstract: A cathode slurry for use in a lithium battery, comprised of:
    Type: Application
    Filed: August 20, 2001
    Publication date: April 11, 2002
    Applicant: NTK Powerdex, Inc.
    Inventors: George W. Moutsios, Xuekun Xing, Jay Nardi, Frough K. Shokoohi, Wanjun Fang